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OpenStudy (anonymous):
Need Help? Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5. Somehow I came up with 489, but the choices are: -19 -37 27 19
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OpenStudy (anonymous):
so it would bee 2(-2)2+3(-3)3-2(-2)+4(5)2-4(-2)? o-o
OpenStudy (anonymous):
yes but than I need to solve the equation.. @helppls123
OpenStudy (anonymous):
okay gimme a sec lemme try this
OpenStudy (anonymous):
okay thanks
OpenStudy (anonymous):
im not good at math at all sorry
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OpenStudy (anonymous):
uhm i got 17 ;o lemme try it a different way
OpenStudy (anonymous):
okay thanks for tryinggg @helppls123
OpenStudy (anonymous):
yeah this time i got 16 xD I'm not sure what i'm doing wrong. Sorry I couldn't be more of help (:
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